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This topic created in 3155 days ago, the information mentioned may be changed or developed.
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1
zenghaojim33 OP 这里中括号后面的(self)是什么意思?_?
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guitarkitten Sep 30, 2017
{ this in .... }(self) 这不就是一个调用么？
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3
abcyuxue123 Sep 30, 2017
感觉 ls +1
可以去掉 self 尝试运行，结果应该一样 |
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4
zenghaojim33 OP |
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NxiJSiOS Sep 30, 2017
Since self is a struct you can ’ t create weak or unowned references. Instead, pass self to the closure or function that initialized the lazy variable.
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zenghaojim33 OP @NxiJSiOS 貌似明白了点，就是在 struct 里面直接使用 self 的话会报错必须这样传进去？
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7
engHacker Sep 30, 2017 via iPhone
@zenghaojim33 ❌
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8
showme1121 Sep 30, 2017 via iPhone
@zenghaojim33 this 是整个 closure 的参数啊
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zenghaojim33 OP @showme1121 但是（ self ）又是什么
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airdrop Oct 11, 2017
closure 的调用吧
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11
shawndev Oct 15, 2017
lazy var button : UIButton = {
$0.hide = true }(UIButton()) 和这种写法是一样的 |
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zenghaojim33 OP @shawndev 明白了，那如果把 UIButton()放到闭包里面是不是一样的？
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